Analysis

  • max time kernel
    118s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    11-12-2024 02:09

General

  • Target

    0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe

  • Size

    978KB

  • MD5

    a1d6c4ee5e1bf8e8e8e335e25e3cb4ef

  • SHA1

    d55f64167243a1211ad7b3f51174c70f2d3d1c3d

  • SHA256

    0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21

  • SHA512

    be8182bf4b9bef516dc113b05b2c3d0f834c1d8bb40f266da9948e23339ea94a2c63484f335da46410d5e6e291f997a2e9e2dfc32da73cd51db0fb053fea44c8

  • SSDEEP

    12288:Kfe0GVO35OOvzI/wDadTZoieenOIbgIC+Ukq09xZmFP85h7ScC3:Kff3c4uWadT+i3/bTUkqc8P8zSc

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe
    "C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EfgRyiVrT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EfgRyiVrT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD54.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2424
    • C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe
      "C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe"
      2⤵
        PID:2788
      • C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe
        "C:\Users\Admin\AppData\Local\Temp\0b0e33a49e209932b6fa85be230050e28ed46e35129a3b4b0b6f782ac4849f21.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2880

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpDD54.tmp

      Filesize

      1KB

      MD5

      107edd49c608ba1c929be5ecc704a6f5

      SHA1

      f97b0301f473f69f905c687cf888636590721f6e

      SHA256

      f8ad16d3b79d1d7f2a4304986e6a8089d0d5f66f8832061cbbe96bfeb05fa924

      SHA512

      8a732dfa886324503b1cbefbb012cb532bbab9b6e93f155e0821c1ec24a54509ee939455145f900bd1172e190763bc8e0584a07f8f86f8d75d14531e3c679a2d

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

      Filesize

      7KB

      MD5

      496b34796ceadd656ae7ea7662de6f0b

      SHA1

      9ef2378f7e06bd57dd44c846d22b5fe55109b349

      SHA256

      bfcbc90110031ea5f3574976ede8613d2689fd3b1fe301da20f72154531ca642

      SHA512

      18c3760fa542761c2260d12f2a45fa7c2ec7bc9a2fc231b259267b7922ed0612f0ee1f96962b6a24dbe8416740f198980fe8a89124e8b820e42ed83f055d2f0f

    • memory/2708-4-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

      Filesize

      4KB

    • memory/2708-31-0x0000000074D80000-0x000000007546E000-memory.dmp

      Filesize

      6.9MB

    • memory/2708-0-0x0000000074D8E000-0x0000000074D8F000-memory.dmp

      Filesize

      4KB

    • memory/2708-5-0x0000000074D80000-0x000000007546E000-memory.dmp

      Filesize

      6.9MB

    • memory/2708-6-0x0000000005B80000-0x0000000005C0E000-memory.dmp

      Filesize

      568KB

    • memory/2708-2-0x0000000074D80000-0x000000007546E000-memory.dmp

      Filesize

      6.9MB

    • memory/2708-1-0x0000000000C30000-0x0000000000D2A000-memory.dmp

      Filesize

      1000KB

    • memory/2708-3-0x0000000000300000-0x000000000031E000-memory.dmp

      Filesize

      120KB

    • memory/2880-28-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2880-25-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2880-23-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2880-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2880-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2880-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2880-30-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2880-29-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB